2889887 has 16 divisors (see below), whose sum is σ = 3881472. Its totient is φ = 2077920.

The previous prime is 2889883. The next prime is 2889923. The reversal of 2889887 is 7889882.

2889887 is nontrivially palindromic in base 12.

2889887 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2889887 - 2² = 2889883 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2889883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 443 + ... + 2444.

It is an arithmetic number, because the mean of its divisors is an integer number (242592).

2^2889887 is an apocalyptic number.

2889887 is a deficient number, since it is larger than the sum of its proper divisors (991585).

2889887 is a wasteful number, since it uses less digits than its factorization.

2889887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2918.

The product of its digits is 516096, while the sum is 50.

The square root of 2889887 is about 1699.9667643810. The cubic root of 2889887 is about 142.4383564299.

The spelling of 2889887 in words is "two million, eight hundred eighty-nine thousand, eight hundred eighty-seven".